Driving assist device
a technology of assist device and driving assist system, which is applied in the direction of vehicle position/course/altitude control, process and machine control, instruments, etc., can solve the problems of difficult for the conventional driving assist device in the driving assist system to correctly operate, and the vehicle running at the predetermined speed closely approaches
Active Publication Date: 2018-11-29
DENSO CORP
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Benefits of technology
The driving assist device described in this patent helps to make sure the driver of the car understands what's happening when there's a sudden stop in front of them. This helps the driver to recognize what's happening and prevent accidents.
Problems solved by technology
For example, the preceding-vehicle following is interrupted when the driver of the own vehicle increases or decelerates the speed of the own vehicle, or an abnormality occurs in a driving assist system equipped with the driving assist device.
However, the conventional driving assist device previously described does not change the driving state of the own vehicle running at the predetermined vehicle speed when the conventional driving assist device cannot detect the preceding vehicle due to occurrence of an abnormality in the driving assist system.
It is therefore difficult for the conventional driving assist device in the driving assist system to correctly inform the occurrence of interruption of the preceding-vehicle following to the driver of the own vehicle.
For this reason, when the preceding vehicle decelerates, there is a possible danger in which the own vehicle running at the predetermined speed closely approaches the preceding vehicle.
Method used
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Embodiment Construction
[0017]Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. In the following description of the various embodiments, like reference characters or numerals designate like or equivalent component parts throughout the several diagrams.
Exemplary Embodiment
[0018]A description will be given of a driving assist system equipped with a driving assist device as a control device according to an exemplary embodiment with reference to FIG. 1 to FIG. 7.
[1. Structure]
[0019]FIG. 1 is a block diagram showing a structure of the driving assist system 1 equipped with the driving assist device 15 according to the exemplary embodiment and other components. That is, as shown in FIG. 1, the driving assist system 1 is mounted on an own vehicle. The driving assist system 1 has the control device 15 as the driving assist device, a state detection device 11, a position detection device 12, a control permission switch 13, a driving assist execut...
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In a driving assist system, a driving assist device as a control device acquires driving control information to be used for performing a driving control process in which an own vehicle follows a preceding vehicle running on the same lane of the own vehicle in front of the own vehicle. The driving assist device performs the driving control process of the own vehicle based on the acquired driving control information. The driving assist device detects an interruption of a preceding-vehicle following of the own vehicle. In the preceding-vehicle following, the own vehicle follows the preceding vehicle running on the same lane. The driving assist device decelerates a vehicle speed of the own vehicle by using a predetermined braking force when detecting the interruption of the preceding-vehicle following of the own vehicle during the preceding-vehicle following.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a divisional application of U.S. application Ser. No. 14 / 880,512, filed on Oct. 12, 2015, which claims priority from Japanese Patent Application No. 2014-212835, filed on Oct. 17, 2014, the contents of which are hereby incorporated by reference.BACKGROUND OF THE INVENTION1. Field of the Invention[0002]The present invention relates to driving assist devices, to be mounted on vehicles, capable of performing a driving assist control.2. Description of the Related Art[0003]There has been known a technique providing a conventional driving assist device, to be mounted on various types of vehicles, capable of performing a driving assist control. For example, such a conventional driving assist device performs a preceding-vehicle following, or preceding-vehicle following control so that an own vehicle running at a predetermined vehicle speed follows a preceding vehicle on the same lane of a roadway while keeping a predetermined v...
Claims
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IPC IPC(8): G05D1/00B60W50/14
CPCG05D1/0061B60W50/14B60W10/18B60W10/04B60W2720/10B60W2710/20B60W2710/18B60W2540/00B60W10/20B60W30/165G05D2201/0213B60W2540/12B60W2540/10B60W30/16B60W2550/308B60W30/143B60W40/105B60W2554/80B60W2554/801B60W2554/802B60W2420/403B60W50/082B60W2554/804B60W2420/408
InventorNIINO, HIROAKIOOISHI, MASAYOSHIISHIKAWA, HIROSHI
OwnerDENSO CORP